Why you have changed the order of the toolbar button on the browser tree? It should not.
sqleditor.js (check_db_name_change function)
var declaration should be comma-separated instead of writing var, again and again.
Add proper comments.
Remove dots from the string "Database moved/renamed.."
"Please note that the database you are working on has been moved or renamed to ${data.actual_db_name}. Refresh databases in browser panel or click OK to continue.." should be changed to "Current database has been moved or renamed to ${data.actual_db_name}. Click on the OK button to refresh the database name."